S参数的设计与应用
Agilent AN 154 S-Parameter Design Application Note S参数的设计与应用 The need for new high-frequency, solid-state circuitdesign techniques has been recognized...
Agilent AN 154 S-Parameter Design Application Note S参数的设计与应用 The need for new high-frequency, solid-state circuitdesign techniques has been recognized...
本次设计的主要内容是了解数字电能表基本原理,并设计出一个基于STC89C51单片机的数字电能表。设计的主要思路与内容如下:采用STC89C51单片机完成电能表分时与计费功能,用电流互感器与电阻分压来实现电流电压的采样;收集到的模拟的数据再用ADC0832就可以让单片机读懂反馈回来的数字信息;最后将得...
This document provides practical, common guidelines for incorporating PCI Express interconnect layouts onto Printed Circuit Boards (PCB) ranging from ...
This document provides practical, common guidelines for incorporating PCI Express interconnect layouts onto Printed Circuit Boards (PCB) ranging from ...
为解决当前计算机串行通讯接口只有USB,难以满足旧型号设备或某些单片机要求RS232通讯的问题,设计出两款RS232/USB电路。采用CH341A与MAX223集成电路芯片构建标准9线RS232/USB通用接口转换器,无需编程。采用CH341A与PIC16F877A构建单片机与计算机之间的USB通讯...